diff options
author | Stanislaw Gruszka <[email protected]> | 2012-10-25 09:51:39 +0200 |
---|---|---|
committer | John W. Linville <[email protected]> | 2012-10-30 15:58:54 -0400 |
commit | bf7e1abe434ba9e22e8dc04a4cba4ab504b788b8 (patch) | |
tree | 4d982297534533c44b659dfffcfba147d854b0df | |
parent | 8c6e30936a7893a85f6222084f0f26aceb81137a (diff) |
rt2800: validate step value for temperature compensation
Some hardware has correct (!= 0xff) value of tssi_bounds[4] in the
EEPROM, but step is equal to 0xff. This results on ridiculous delta
calculations and completely broke TX power settings.
Reported-and-tested-by: Pavel Lucik <[email protected]>
Cc: [email protected]
Signed-off-by: Stanislaw Gruszka <[email protected]>
Acked-by: Ivo van Doorn <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2800lib.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 01dc8891070c..59474ae0aec0 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -2449,7 +2449,7 @@ static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev) /* * Check if temperature compensation is supported. */ - if (tssi_bounds[4] == 0xff) + if (tssi_bounds[4] == 0xff || step == 0xff) return 0; /* |